CVE-2026-48911 - Vulnerability Details - OpenCVE

Insufficient Verification of Data Authenticity vulnerability in Apache Answer. This issue affects Apache Answer: through 2.0.1. A missing authorization check in the external-login email binding flow allows unauthenticated attackers to take over arbitrary user accounts by tricking victims into clicking a crafted confirmation link. Users are recommended to upgrade to version 2.0.2, which fixes the issue.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact High

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation none

Automatable yes

Technical Impact partial

Vendors	Products
Apache	Answer

No data.

No data.

References

Link	Providers
https://lists.apache.org/thread/mrlwtdnhqqgfbchjgq6rffkz67o8wyv8

History

Thu, 06 Aug 2026 15:30:00 +0000

Type	Values Removed	Values Added
Metrics		cvssV3_1 `{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N'}` ssvc `{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Wed, 05 Aug 2026 17:45:00 +0000

Type	Values Removed	Values Added
First Time appeared		Apache Apache answer
Vendors & Products		Apache Apache answer

Wed, 05 Aug 2026 15:30:00 +0000

Type	Values Removed	Values Added
Description		Insufficient Verification of Data Authenticity vulnerability in Apache Answer. This issue affects Apache Answer: through 2.0.1. A missing authorization check in the external-login email binding flow allows unauthenticated attackers to take over arbitrary user accounts by tricking victims into clicking a crafted confirmation link. Users are recommended to upgrade to version 2.0.2, which fixes the issue.
Title		Apache Answer: Unauthenticated OAuth Email-Binding Account Takeover via Existing User Confirmation Flow
Weaknesses		CWE-306
References		https://lists.apache.org/thread/mrlwtdnhqqgfbchjgq6rffkz67o8wyv8

MITRE

Status: PUBLISHED

Assigner: apache

Published: 2026-08-05T15:09:14.961Z

Updated: 2026-08-06T14:37:06.522Z

Reserved: 2026-05-26T11:10:37.350Z

Link: CVE-2026-48911

Vulnrichment

Updated: 2026-08-05T16:32:55.117Z

NVD

No data.

Redhat

No data.

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